NEW YORK (TheStreet) -- Anadarko Petroleum (APC), Petroleo Brasileiro (Petrobras) (PBR - Get Report), and Targa Resources Partners (NGLS) emerged top gainers, while RPC (RES - Get Report), LDK Solar (LDK), and ReneSola (SOL - Get Report) headed the losers' list.

Anadarko jumped 11.1% last week, hitting 52-week highs on Friday. The company, which owns a share of BP Plc. ( BP - Get Report), surged 6.9% on Thursday, reportedly on news that BHP Billiton ( BHP) may bid $90 a share for Anadarko.

Petrobras, a stock trading at discount with an upside, gained around 10.4% last week. The company announced an average oil production of 2.12 million barrels a day in Brazil for December, up 4.4% from November and a record for the company.

Meanwhile, Petrobras Energia Participaciones ( PZE), Petrobras' Argentina subsidiary, advanced around 9.2%. Targa Resources Partners, Chesapeake Midstream Partners ( CHKM), TC Pipelines ( TCLP), and Copano Energy ( CPNO) gained around 6.9%, 6.2%, 5.7%, and 5.7%, respectively.

Legacy Reserves ( LGCY), a highly-rated stock, rose 4.9% after Wunderlich rated the stock "new buy" with a price target of $31, implying an 8% upside from current levels.

Ecopetrol ( EC) reversed losses registered in the penultimate week and gained around 3.9%.

Energy Transfer Partners ( ETP) and FMC Technologies ( FTI) scaled up 3.6% and 2.9%, respectively. Wunderlich rated Energy Transfer Partners a "new buy" with a price target of $60, implying an impressive 16% upside from current levels. Meanwhile, the price target for FMC technologies was raised to $108 from $80 at Pritchard.

Among other gainers, Cheniere Energy Partners ( CQP), Sasol ( SSL), and Comstock Resources ( CRK) advanced 4.9%, 4.5%, and 3.7%, respectively.

RPC led the pack of losers, declining 5.1%. Following RPC, LDK Solar and ReneSola fell around 4.4% and 3.6%, respectively, as investors stayed away from solar stocks. Meanwhile, other solar players JA Solar Holdings ( JASO), Suntech Power Holdings ( STP), and Yingli Green Energy ( YGE) trimmed nearly 2.9%, 2.4%, and 2.2%, respectively.

Oasis Petroleum ( OAS) fell 2.4%, despite Northland Securities' new outperform rating with a price target of $38, implying a remarkable 40% upside.

Among other losers, Complete Production Services ( CPX), Helix Energy Solutions ( HLX), and Seacor Holdings ( CKH) dropped around 3.0%, 2.9%, and 2.0%, respectively.

This commentary comes from an independent investor or market observer as part of TheStreet guest contributor program. The views expressed are those of the author and do not necessarily represent the views of TheStreet or its management.